Ancestral morphology of Ecdysozoa constrained by an early Cambrian stem group ecdysozoan

Table 1 Referred material

Name	Accession	Source and illustration	Comments
Acosmia maotiania	ELRC 51001	Figure 31 in [20]	Holotype. Part and counterpart
Acosmia maotiania	ELRC 51002	Figure 33 in [20]	Part and counterpart
Acosmia maotiania	RCCBYU 10233	Figure 12.3a in [23] Figure 1 in this study
Acosmia maotiania	RCCBYU 10234	Figure 12.3b in [23] Figure 17.16a in [25]. Figure 3 in this study	Two individuals on one slab
Acosmia maotiania	RCCBYU 10235	Figure 12.3c in [23] Figure 17.16b in [25] Figure 2 in this study
Acosmia maotiania	YKLP 11410	Figure 4 in this study
New taxon 1	RCCBYU 10236	Figure 12.3d in [23] Figure 17.16c in [25] Additional File 1 in this study	Labelled Acosmia maotiania in [23, 25]. Distinguished here by pharyngeal and cuticular morphology, see Additional File 1
New taxon 1	YKLP 11411	Additional File 1 in this study	Labelled as Acosmia maotiania in YKLP collection. Distinguished here by pharyngeal and cuticular morphology, see Additional File 1

Full list of known specimens of Acosmia maotiania. ELRC accessioned at Nanjing Institute of Geology and Palaeontology, Chinese Academy of Sciences. RCCBYU or YKLP accessioned at Yunnan Key Laboratory for Palaeobiology, Yunnan University

ISSN: 2730-7182